WO2020124834A1 - 量子点偏光片、显示面板和显示装置 - Google Patents

量子点偏光片、显示面板和显示装置 Download PDF

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Publication number
WO2020124834A1
WO2020124834A1 PCT/CN2019/078910 CN2019078910W WO2020124834A1 WO 2020124834 A1 WO2020124834 A1 WO 2020124834A1 CN 2019078910 W CN2019078910 W CN 2019078910W WO 2020124834 A1 WO2020124834 A1 WO 2020124834A1
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Prior art keywords
quantum dot
prism
layer
microstructure
thickness
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PCT/CN2019/078910
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English (en)
French (fr)
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周淼
常建宇
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深圳市华星光电技术有限公司
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Publication of WO2020124834A1 publication Critical patent/WO2020124834A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers

Definitions

  • the present application relates to the field of display, in particular to a quantum dot polarizer, a display panel and a display device.
  • QD-OC Quantum Dot Open Cell
  • QD-OC includes QD-POL and QD CF structures.
  • QD-OC has the advantages of wide viewing angle and high color gamut. It is currently developed for high-end displays. Hot spots, but the study found that the quantum dot film directly attached to the surface of the polarizer will cause the quantum dot polarizer light efficiency to drop by 75% (due to the polarizing effect of the polarizer, the theoretical drop is 50%).
  • the present application provides a quantum dot polarizer, a display panel, and a display device, which are used to alleviate the technical problem of the decline in light efficiency of the existing quantum dot polarizer.
  • the present application provides a quantum dot polarizer.
  • the quantum dot polarizer includes a quantum dot layer, a prism layer is provided on the quantum dot layer, a polarizing layer is provided on the prism layer, and the prism layer includes prism microstructures and A glue film, the glue film is filled on the prism microstructure, and the thickness of the glue film is not greater than 80% of the thickness of the prism microstructure;
  • the material of the prism microstructure is acrylic resin
  • the adhesive film material is shadowless adhesive.
  • the thickness of the glue film is 10%-20% of the thickness of the microstructure of the prism.
  • the glue film manufacturing process includes at least one of ultraviolet curing, low temperature thermal curing, and pressure molding.
  • the shape of the prism microstructure is a triangular prism.
  • the quantum dot layer includes a polymer substrate and quantum dots
  • the shape of the quantum dots includes at least one shape of a spherical shape, a rectangular parallelepiped, and a cylinder.
  • the present application also provides a quantum dot polarizer, which includes a quantum dot layer, a prism layer is provided on the quantum dot layer, a polarizing layer is provided on the prism layer, the prism layer includes a prism microstructure and an adhesive film, The glue film is filled on the microstructure of the prism, and the thickness of the glue film is not greater than 80% of the thickness of the microstructure of the prism.
  • the thickness of the glue film is 5%-70% of the thickness of the microstructure of the prism.
  • the polarizing layer includes a polarizing base layer, and a protective film is attached to the polarizing base layer, and the protective film includes at least one material of cycloolefin polymer and cellulose triacetate .
  • the prism microstructure shape includes a triangular prism.
  • the prism microstructure material includes acrylic resin.
  • the glue film material includes a shadowless glue.
  • the glue film manufacturing process includes at least one of ultraviolet curing, low temperature thermal curing, and pressure molding.
  • the quantum dot layer includes a polymer substrate and quantum dots
  • the shape of the quantum dots includes at least one of a spherical shape, a rectangular parallelepiped shape, and a cylindrical shape.
  • the quantum dot material includes a hydrogel-loaded quantum dot structure, a dot-type quantum dot core-shell structure nanorod in a rod, a dual-emission quantum dot material, a triple-emission quantum dot material, and At least one of perovskite quantum dots.
  • the present application provides a display panel including a substrate, a liquid crystal layer, a color filter, and a quantum dot polarizer.
  • the quantum dot polarizer includes a quantum dot layer, and a prism layer is provided on the quantum dot layer.
  • a polarizing layer is provided on the prism layer, the prism layer includes a prism microstructure and a glue film, the glue film is filled on the prism microstructure, and the thickness of the glue film is not greater than 80 of the prism microstructure thickness %.
  • the thickness of the adhesive film is 5%-70% of the thickness of the microstructure of the prism.
  • the polarizing layer includes a polarizing base layer, and a protective film is attached to the polarizing base layer, and the protective film includes at least one material of cycloolefin polymer and cellulose triacetate.
  • the prism microstructure shape includes a triangular prism.
  • the prism microstructure material includes acrylic resin.
  • the present invention provides a display device including the display panel provided by the present application.
  • the present application provides a quantum dot polarizer, a display panel, and a display device.
  • the quantum dot polarizer includes a quantum dot layer, a prism layer is provided on the quantum dot layer, a polarizing layer is provided on the prism layer, and the prism
  • the layer includes a prism microstructure and a glue film, the glue film is filled on the prism microstructure, and the thickness of the glue film is not greater than 80% of the thickness of the prism microstructure; by setting between the quantum dot layer and the polarizing layer In the prism layer, a prism microstructure is provided in the prism layer, and the glue film is filled on the prism microstructure, and the thickness of the glue film is limited, thereby alleviating the problem of the decrease in the light efficiency of the quantum dot polarizer.
  • FIG. 1 is a schematic diagram of the structure of a quantum dot polarizer in an embodiment of this application;
  • FIG. 2 is a schematic diagram of a quantum dot layer in an embodiment of this application.
  • FIG. 3 is a schematic diagram of the positive viewing angle brightness of a quantum dot polarizer with different film thicknesses in an embodiment of the present application
  • FIG. 4 is a schematic diagram of the complete structure of a quantum dot polarizer in an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a display panel in an embodiment of this application.
  • FIG. 6 is a schematic diagram of a display device in an embodiment of this application.
  • the present application is directed to the technical problem of the prior art that when the quantum dot film is directly attached to the polarizing layer, the light efficiency of the polarizer is reduced.
  • the embodiments of the present application can alleviate this problem.
  • an embodiment of the present application provides a quantum dot polarizer, which includes a quantum dot layer 11, a prism layer, and a polarizing layer 13, the prism layer includes a prism microstructure 121 disposed above the quantum dot layer And the glue film 122, the glue film 122 is partially filled in the prism microstructure 121, the glue film 122 is bonded to the polarizing layer 13, by providing a prism layer in the polarizing layer and the quantum dot layer, and controlling the glue The thickness of the film makes the light efficiency of the quantum dot polarizer improved.
  • the prism microstructure material may use acrylic resin, and the prism microstructure shape may be a triangular prism or a prism.
  • the prism microstructure is filled with an adhesive film, the adhesive
  • the film material includes all transparent adhesive materials suitable for the interface of the acrylic system-TAC and the acrylic system-COP, and the adhesive film can be made by means of low temperature curing and the like.
  • an embodiment of the present application provides a quantum dot layer.
  • the quantum dot layer includes a polymer substrate 211 and a quantum dot 212.
  • the shape of the quantum dot may be spherical, cuboid, prism, or the like.
  • Quantum dot materials include hydrogel-loaded quantum dot structure, QD@MOFs, CdSeSiO 2 , II-VIA, III-VA QD nanorods, Dot-in-rod QD (dot-in-rod quantum dot) core-shell structure nanorods, Dual-emission quantum dot materials, triple-emission quantum dot materials, and perovskite quantum dots;
  • the quantum dots include red light quantum dots and green light quantum dots, and the red light quantum dots and green light quantum dots each include a light-emitting core and an inorganic protective shell,
  • the material of the green quantum dot luminescent core includes ZnCdSe2, InP, Cd2SSe and other materials, the material of the red light quantum dot luminescent core includes CdSe, Cd2SeTe, InAs and other materials, the red light quantum dot inorganic protective shell and the green light quantum dot inorganic protection
  • the shells include CdS, ZnSe, ZnC
  • the embodiment of the present application provides a schematic diagram of the positive viewing angle brightness of a quantum dot polarizer under different film thicknesses.
  • the abscissa is the film thickness
  • the film thickness unit is micrometer ( ⁇ m)
  • the ordinate is the quantum dot polarized light
  • the unit of the positive viewing angle brightness of the quantum dot polarizer is nit.
  • the invention also provides the simulation results of the red and blue emitted light viewing angles of the quantum dot polarizer under different film thicknesses. Combining FIG. 3 and the simulation results, it is assumed
  • the prism microstructure height is 25 ⁇ m.
  • the red and blue light shrinks significantly, indicating that the incremental effect is more obvious in this range.
  • the thickness is greater than 20 ⁇ m, the positive viewing angle brightness of the quantum dot polarizer is reduced by more than half, and the red and blue light types are similar to the structure of the prism, and there is basically no change.
  • the thickness of the adhesive film By limiting the thickness of the adhesive film, the light efficiency of the quantum dot polarizer can be effectively improved.
  • the present application provides a quantum dot polarizer, which includes a protective film 41, a quantum dot layer, a prism layer, a polarizing layer, an adhesive layer 45, and a release film 46.
  • the quantum dot layer includes a polymer
  • the prism layer includes a prism microstructure 431 and an adhesive film 432
  • the adhesive film 432 is filled on the prism microstructure 431
  • the polarizing layer includes a polarizing base layer 442 and is attached to the
  • the first protective layer 441 and the second protective layer 443 on both sides of the polarized base layer 442 are made of cellulose triacetate.
  • the embodiments of the present application provide a quantum dot polarizer. Based on the existing quantum dot polarizer in which the quantum dot layer is directly attached to the polarizing layer, the light efficiency will be greatly reduced.
  • the present invention provides a prism between the quantum dot layer and the polarizing layer And the simulation results show that when the thickness of the glue film is not more than 80% of the thickness of the prism microstructure, the light efficiency is significantly improved, wherein the thickness of the glue film can be 5%-6% of the thickness of the prism microstructure , 10%-20% or 20%-50%, when the prism microstructure thickness is fixed, different prism microstructures will improve the light efficiency to different degrees; therefore, the thickness of the adhesive film is limited, and the quantum in the quantum dot layer
  • the dots are improved to make the quantum dots transmit light better, and the polarizing base layer is provided with protective layers on both sides to protect the polarizing base layer, and the protective layer material can be a material with good light transmittance such as cellulose triacetate or cyclo
  • an embodiment of the present application further provides a display panel including a substrate 51, a liquid crystal layer 52, a color filter 53 and a quantum dot polarizer 54.
  • the quantum dot polarizer 54 includes a prism Layer 541, the quantum dot polarizer includes a quantum dot layer, a prism layer is provided on the quantum dot layer, a polarizing layer is provided on the prism layer, the prism layer includes a prism microstructure and an adhesive film, the adhesive A film is filled on the microstructure of the prism, and the thickness of the glue film is not greater than 80% of the thickness of the microstructure of the prism. .
  • the thickness of the adhesive film is 5%-70% of the thickness of the microstructure of the prism.
  • the polarizing layer includes a polarizing base layer, and a protective film is attached to the polarizing base layer, and the protective film includes at least one material of cycloolefin polymer and cellulose triacetate.
  • the prism microstructure shape includes a triangular prism.
  • the prism microstructure material includes acrylic resin.
  • an embodiment of the present application provides a display device including a light source layer 61, an optical film 62, and a display panel 63, the display panel includes a quantum dot polarizer 631, and the display panel Same as the above display panel.
  • Embodiments of the present application provide a quantum dot polarizer, a display panel, and a display device.
  • the quantum dot polarizer includes a quantum dot layer, a prism layer is provided on the quantum dot layer, and a polarizing layer is provided on the prism layer.
  • the prism layer includes a prism microstructure and an adhesive film, the adhesive film is filled on the prism microstructure, and the thickness of the adhesive film is not greater than 80% of the thickness of the prism microstructure; through the quantum dot layer and the polarizing layer A prism layer is provided between them, a prism microstructure is provided in the prism layer, and the glue film is filled on the prism microstructure, and the thickness of the glue film is limited, thereby alleviating the problem of the decrease in the light efficiency of the quantum dot polarizer.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

一种量子点偏光片、显示面板和显示装置，量子点偏光片包括量子点层（11），量子点层（11）上设有棱镜层，棱镜层上设有偏光层（13），棱镜层包括棱镜微结构（121）和胶膜（122），胶膜（122）填充在棱镜微结构（121）上，胶膜（122）厚度不大于棱镜微结构（121）厚度的80％，缓解了量子点偏光片光效下降的问题。

Description

量子点偏光片、显示面板和显示装置 技术领域
本申请涉及显示领域，尤其是涉及一种量子点偏光片、显示面板和显示装置。
 背景技术
量子点液晶面板（Quantum Dot Open Cell，简称QD-OC），QD-OC包括QD-POL和QD CF结构两种结构，QD-OC具有广视角、高色域的优势，是目前开发高端显示器的热点，但研究发现量子点薄膜直接贴合在偏光片表面会导致量子点偏光片光效下降75%（由于偏光片的偏光作用，理论下降50%）。
所以，如何提高量子点偏光片的光效就是本领域技术人员亟待解决的技术问题。
 技术问题
本申请提供一种量子点偏光片、显示面板和显示装置，用以缓解现有量子点偏光片光效下降的技术问题。
 技术解决方案
为解决上述问题，本申请提供的技术方案如下：
本申请提供一种量子点偏光片，该量子点偏光片包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%；
所述棱镜微结构的材料为丙烯酸树脂；
所述胶膜材料为无影胶。
在本申请提供的量子点偏光片中，所述胶膜厚度为所述棱镜微结构厚度的10%-20%。
在本申请提供的量子点偏光片中，所述胶膜制程包括紫外线固化、低温热固化和压力成型中的至少一种方式。
在本申请提供的量子点偏光片中，所述棱镜微结构的形状为三棱柱。
在本申请提供的量子点偏光片中，所述量子点层包括聚合物基底和量子点，所述量子点形状包括球状、长方体、圆柱体中的至少一种形状。
本申请还提供一种量子点偏光片，其包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%。
在本申请提供的量子点偏光片中，所述胶膜厚度为所述棱镜微结构厚度的5%-70%。
在本申请提供的量子点偏光片中，所述偏光层包括偏光基层，所述偏光基层上贴合有保护膜，所述保护膜包括环烯烃聚合物和三醋酸纤维素中的至少一种材料。
在本申请提供的量子点偏光片中，所述棱镜微结构形状包括三棱柱。
在本申请提供的量子点偏光片中，所述棱镜微结构材料包括丙烯酸树脂。
在本申请提供的量子点偏光片中，所述胶膜材料包括无影胶。
在本申请提供的量子点偏光片中，所述胶膜制程包括紫外线固化、低温热固化和压力成型中的至少一种方式。
在本申请提供的量子点偏光片中，所述量子点层包括聚合物基底和量子点，所述量子点形状包括球状、长方体、圆柱体中的至少一种形状。
在本申请提供的量子点偏光片中，所述量子点材料包括水凝胶装载量子点结构、棒内点式量子点核壳结构纳米棒、双发射量子点材料、三发射量子点材料、以及钙钛矿量子点中的至少一种。
本申请提供一种显示面板，所述显示面板包括基板、液晶层、彩色滤光片和量子点偏光片，所述量子点偏光片包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%。
在本申请提供的显示面板中，所述胶膜厚度为所述棱镜微结构厚度的5%-70%。
在本申请提供的显示面板中，所述偏光层包括偏光基层，所述偏光基层上贴合有保护膜，所述保护膜包括环烯烃聚合物和三醋酸纤维素中的至少一种材料。
在本申请提供的显示面板中，所述棱镜微结构形状包括三棱柱。
在本申请提供的显示面板中，所述棱镜微结构材料包括丙烯酸树脂。
同时，本发明提供一种显示装置，所述显示装置包括本申请提供的显示面板。
 有益效果
本申请提供一种量子点偏光片、显示面板和显示装置，该量子点偏光片包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%；通过在量子点层与偏光层之间设置棱镜层，在棱镜层中设有棱镜微结构，并将胶膜填充在棱镜微结构上，并对胶膜厚度进行限制，缓解了量子点偏光片光效下降的问题。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例中量子点偏光片结构简图；
图2为本申请实施例中量子点层示意图；
图3为本申请实施例中不同胶膜厚度下量子点偏光片正视角亮度示意图；
图4为本申请实施例中量子点偏光片完整结构示意图；
图5为本申请实施例中显示面板示意图；
图6为本申请实施例中显示装置示意图。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。
本申请针对现有技术在将量子点薄膜直接贴在偏光层时导致偏光片光效降低的技术问题，本申请实施例可以缓解该问题。
如图1所示，本申请实施例提供一种量子点偏光片，其包括量子点层11、棱镜层和偏光层13，所述棱镜层包括设置在所述量子点层上方的棱镜微结构121和胶膜122，所述胶膜122部分填充于所述棱镜微结构121，所述胶膜122与所述偏光层13贴合，通过在偏光层和量子点层中设置棱镜层，并控制胶膜的厚度，使得量子点偏光片的光效提高。
本申请实施例提供的量子点偏光片中，所述棱镜微结构材料可以采用丙烯酸树脂，所述棱镜微结构形状可以为三棱柱、棱台，在棱镜微结构上填充有胶膜，所述胶膜材料包括所有适用于亚克力体系-TAC、亚克力体系-COP界面的透明胶材，所述胶膜可低温固化等方式制成。
如图2所示，本申请实施例提供一种量子点层，所述量子点层包括聚合物基底211和量子点212，所述量子点的形状可为球形、长方体、棱柱等形状，所述量子点材料包括水凝胶装载量子点结构、QD@MOFs、CdSeSiO 2，II-VIA、III-VA QD纳米棒、Dot-in-rod QD（棒内点式量子点）核壳结构纳米棒、双发射量子点材料、三发射量子点材料，以及钙钛矿量子点；所述量子点包括红光量子点和绿光量子点，所述红光量子点和绿光量子点均包括发光核和无机保护壳，所述绿光量子点发光核的材料包括ZnCdSe2，InP，Cd2SSe等材料,所述红光量子点发光核的材料包括CdSe，Cd2SeTe，InAs等材料，所述红光量子点无机保护壳和绿光量子点无机保护壳均包括CdS，ZnSe，ZnCdS2，ZnS，ZnO等材料。
如图3所示，本申请实施例提供不同胶膜厚度下量子点偏光片正视角亮度示意图，图中横坐标为胶膜厚度，胶膜厚度单位为微米（μm），纵坐标为量子点偏光片正视角亮度，量子点偏光片正视角亮度单位为尼特（nit），本发明还提供不同胶膜厚度下量子点偏光片红、蓝出射光视角模拟结果，结合图3与模拟结果，假设棱镜微结构高度为25μm，与无棱镜结构的量子点偏光片比较，可以看出在胶膜厚度小于等于20μm时，红蓝光有明显收缩，说明在这个范围内增量效果较明显，当胶膜厚度大于20μm时，量子点偏光片正视角亮度减小一半以上，且红蓝光光型与无棱镜结构相似，基本无变化，所以本发明限制胶膜填充厚度不大于棱镜微结构厚度的80%，通过限制胶膜填充厚度，可有效地提高量子点偏光片的光效。
如图4所示，本申请提供一种量子点偏光片，其包括保护膜41、量子点层、棱镜层、偏光层、粘合层45和离型膜46，所述量子点层包括聚合物基底421和量子点422，所述棱镜层包括棱镜微结构431和胶膜432，所述胶膜432填充在所述棱镜微结构431上，所述偏光层包括偏光基层442和贴合在所述偏光基层442两侧的第一保护层441和第二保护层443，所述第一保护层441与所述第二保护层443材料为三醋酸纤维素。
本申请实施例提供一种量子点偏光片，基于现有量子点偏光片在量子点层直接贴合在偏光层上光效会大幅度下降，本发明在量子点层和偏光层之间设置棱镜层，并通过模拟得出在胶膜填充厚度不大于棱镜微结构厚度的80%时，光效有明显提升，其中，所述胶膜厚度可为所述棱镜微结构厚度的5%-6%、10%-20%或20%-50%，当棱镜微结构厚度一定时，不同的棱镜微结构将不同程度的提高光效；所以对胶膜厚度进行了限制，同时对量子点层中量子点进行改进，使量子点更好的传递光线，而偏光基层两侧设置保护层用于保护偏光基层，且保护层材料可为三醋酸纤维素或环烯烃聚合物等具有良好透光性的材料，在偏光片一侧通过粘合层与离型膜进行粘合，粘合层材料可为具有良好粘合性的透明材料，通过对各层的改进，使得偏光片光效提高。
如图5所示，本申请实施例还提供一种显示面板，所述显示面板包括基板51、液晶层52、彩色滤光片53和量子点偏光片54，所述量子点偏光片54包括棱镜层541，所述量子点偏光片包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%。。
在一种实施例中，所述胶膜厚度为所述棱镜微结构厚度的5%-70%。
在一种实施例中，所述偏光层包括偏光基层，所述偏光基层上贴合有保护膜，所述保护膜包括环烯烃聚合物和三醋酸纤维素中的至少一种材料。
在一种实施例中,所述棱镜微结构形状包括三棱柱。
在一种实施例中,所述棱镜微结构材料包括丙烯酸树脂。
如图6所示，本申请实施例提供一种显示装置，所述显示装置包括光源层61、光学膜片62、和显示面板63，所述显示面板包括量子点偏光片631，所述显示面板与上述显示面板相同。
根据以上实施例可知：
本申请实施例提供一种量子点偏光片、显示面板和显示装置，该量子点偏光片包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%；通过在量子点层与偏光层之间设置棱镜层，在棱镜层中设有棱镜微结构，并将胶膜填充在棱镜微结构上，并对胶膜厚度进行限制，缓解了量子点偏光片光效下降的问题。
综上所述，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请发明的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种量子点偏光片，其包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%；
    所述棱镜微结构的材料为丙烯酸树脂；
    所述胶膜材料为无影胶。
  2. 如权利要求1所述的量子点偏光片，其中，所述胶膜厚度为所述棱镜微结构厚度的10%-20%。
  3. 如权利要求1所述的量子点偏光片，其中，所述胶膜制程包括紫外线固化、低温热固化和压力成型中的至少一种方式。
  4. 如权利要求1所述的量子点偏光片，其中，所述棱镜微结构的形状为三棱柱。
  5. 如权利要求1所述的量子点偏光片，其中，所述量子点层包括聚合物基底和量子点，所述量子点形状包括球状、长方体、圆柱体中的至少一种形状。
  6. 一种量子点偏光片，其包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%。
  7. 如权利要求6所述的量子点偏光片，其中，所述胶膜厚度为所述棱镜微结构厚度的5%-70%。
  8. 如权利要求6所述的量子点偏光片，其中，所述偏光层包括偏光基层，所述偏光基层上贴合有保护膜，所述保护膜包括环烯烃聚合物和三醋酸纤维素中的至少一种材料。
  9. 如权利要求6所述的量子点偏光片，其中，所述棱镜微结构形状包括三棱柱。
  10. 如权利要求6所述的量子点偏光片，其中，所述棱镜微结构材料包括丙烯酸树脂。
  11. 如权利要求6所述的量子点偏光片，其中，所述胶膜材料包括无影胶。
  12. 如权利要求6所述的量子点偏光片，其中，所述胶膜制程包括紫外线固化、低温热固化和压力成型中的至少一种方式。
  13. 如权利要求6所述的量子点偏光片，其中，所述量子点层包括聚合物基底和量子点，所述量子点形状包括球状、长方体、圆柱体中的至少一种形状。
  14. 如权利要求6所述的量子点偏光片，其中，所述量子点材料包括水凝胶装载量子点结构、棒内点式量子点核壳结构纳米棒、双发射量子点材料、三发射量子点材料、以及钙钛矿量子点中的至少一种。
  15. 一种显示面板，其包括基板、液晶层、彩色滤光片和量子点偏光片，所述量子点偏光片包括量子点层，所述量子点层上设有棱镜层，所述棱镜层上设有偏光层，所述棱镜层包括棱镜微结构和胶膜，所述胶膜填充在所述棱镜微结构上，所述胶膜厚度不大于所述棱镜微结构厚度的80%。
  16. 如权利要求15所述的显示面板，其中，所述胶膜厚度为所述棱镜微结构厚度的5%-70%。
  17. 如权利要求15所述的显示面板，其中，所述偏光层包括偏光基层，所述偏光基层上贴合有保护膜，所述保护膜包括环烯烃聚合物和三醋酸纤维素中的至少一种材料。
  18. 如权利要求15所述的显示面板，其中，所述棱镜微结构形状包括三棱柱。
  19. 如权利要求15所述的显示面板，其中，所述棱镜微结构材料包括丙烯酸树脂。
  20. 一种显示装置，其包括如权利要求15所述的显示面板。
PCT/CN2019/078910 2018-12-17 2019-03-20 量子点偏光片、显示面板和显示装置 WO2020124834A1 (zh)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109445011A (zh) * 2018-12-17 2019-03-08 深圳市华星光电技术有限公司 量子点偏光片、显示面板和显示装置
CN110058449B (zh) * 2019-05-13 2020-11-24 深圳市华星光电技术有限公司 量子点液晶显示器
CN110764178A (zh) * 2019-09-10 2020-02-07 深圳市华星光电技术有限公司 量子点偏光片及其制作方法
CN111679355A (zh) * 2020-06-10 2020-09-18 Tcl华星光电技术有限公司 量子点偏光片、显示基板及显示装置
CN114035378B (zh) * 2021-11-25 2023-06-27 深圳市华星光电半导体显示技术有限公司 显示装置
CN115951518A (zh) * 2022-12-28 2023-04-11 凯鑫森(上海)功能性薄膜产业股份有限公司 一种多功能量子点贴合膜及其制备方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103149610A (zh) * 2013-02-25 2013-06-12 宁波激智新材料科技有限公司 一种多层复合棱镜片及其制备方法
CN104880747A (zh) * 2015-06-10 2015-09-02 宁波江北激智新材料有限公司 一种可替代扩散板的多功能复合光学膜及其制作方法、及一种显示屏
CN106405938A (zh) * 2016-11-18 2017-02-15 厦门天马微电子有限公司 一种液晶背光模组、液晶显示设备
JP2017068248A (ja) * 2015-09-28 2017-04-06 日東電工株式会社 光学部材、ならびに、該光学部材を用いた偏光板のセットおよび液晶表示装置
CN206684432U (zh) * 2017-03-24 2017-11-28 张家港康得新光电材料有限公司 一种高色域光学膜片组、背光模组及液晶显示模组
CN107831620A (zh) * 2016-12-07 2018-03-23 常州华威新材料有限公司 一种新型多功能光学复合膜及其制备方法
CN108058411A (zh) * 2017-11-24 2018-05-22 宁波东旭成新材料科技有限公司 一种双向拉伸制备量子点复合膜的方法
CN108562966A (zh) * 2018-01-29 2018-09-21 惠州市华星光电技术有限公司 一种导光板及背光模组
CN109445011A (zh) * 2018-12-17 2019-03-08 深圳市华星光电技术有限公司 量子点偏光片、显示面板和显示装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103149610A (zh) * 2013-02-25 2013-06-12 宁波激智新材料科技有限公司 一种多层复合棱镜片及其制备方法
CN104880747A (zh) * 2015-06-10 2015-09-02 宁波江北激智新材料有限公司 一种可替代扩散板的多功能复合光学膜及其制作方法、及一种显示屏
JP2017068248A (ja) * 2015-09-28 2017-04-06 日東電工株式会社 光学部材、ならびに、該光学部材を用いた偏光板のセットおよび液晶表示装置
CN106405938A (zh) * 2016-11-18 2017-02-15 厦门天马微电子有限公司 一种液晶背光模组、液晶显示设备
CN107831620A (zh) * 2016-12-07 2018-03-23 常州华威新材料有限公司 一种新型多功能光学复合膜及其制备方法
CN206684432U (zh) * 2017-03-24 2017-11-28 张家港康得新光电材料有限公司 一种高色域光学膜片组、背光模组及液晶显示模组
CN108058411A (zh) * 2017-11-24 2018-05-22 宁波东旭成新材料科技有限公司 一种双向拉伸制备量子点复合膜的方法
CN108562966A (zh) * 2018-01-29 2018-09-21 惠州市华星光电技术有限公司 一种导光板及背光模组
CN109445011A (zh) * 2018-12-17 2019-03-08 深圳市华星光电技术有限公司 量子点偏光片、显示面板和显示装置

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